mammoths

Susan Groppi / Flickr

We know great herds of bison once roamed Iowa. But did you know much farther back in time there were wholly mammoths, mastodons, and even giant sloths? Host Ben Kieffer talks with ISU's Bill Clark, who'll tell us about animals that disappeared from our state with the arrival of European settlers and how some species of bears, bobcats, and cougars are coming back.

An Iowa man and his sons made a huge discovery on their Oskaloosa farm recently. Now scientists are in the process of excavating a mammoth skeleton.  We’ll hear what they hope to learn from the find. Then, 18-year-old Rae Heim of Carroll is running barefoot across the country this year from Boston to Huntington Beach, CA. She has reached Iowa – raising money for an organization called souls4soles – a Christian organization which supplies shoes to needy kids.  Rae talks with River to River's Ben Kieffer about her journey.